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              "content": {
                "id": "CVE-2024-25581",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "yes"
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2024-08-01T23:44:09.662Z",
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            "url": "https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html"
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            "tags": [
              "x_transferred"
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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.powerdns.com/",
          "defaultStatus": "unaffected",
          "modules": [
            "dns-over-https"
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          "packageName": "dnsdist",
          "product": "DNSdist",
          "repo": "https://github.com/PowerDNS/pdns",
          "vendor": "PowerDNS",
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          "lang": "en",
          "type": "finder",
          "value": "Daniel Stirnimann from Switch"
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      "datePublic": "2024-05-13T10:00:00.000Z",
      "descriptions": [
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          "lang": "en",
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              "value": "\u003cp\u003eWhen incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default.\u003c/p\u003e"
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          ],
          "value": "When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default."
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      "impacts": [
        {
          "capecId": "CAPEC-212",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-212 Functionality Misuse"
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      "metrics": [
        {
          "cvssV3_1": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
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      "providerMetadata": {
        "dateUpdated": "2024-06-10T17:12:42.212Z",
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      "source": {
        "advisory": "PowerDNS Security Advisory 2024-03",
        "discovery": "EXTERNAL"
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      "title": "Transfer requests received over DoH can lead to a denial of service in DNSdist",
      "workarounds": [
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          "lang": "en",
          "supportingMedia": [
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              "value": "\u003cp\u003eOption 1: refuse incoming XFR requests via a DNSdist rule: addAction(OrRule({QTypeRule(DNSQType.AXFR), QTypeRule(DNSQType.IXFR)}), RCodeAction(DNSRCode.REFUSED)). Option 2: switch to the legacy h2o provider by setting library=\u0027h2o\u0027 in the addDOHLocal directive\u003c/p\u003e"
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          ],
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    "assignerShortName": "OX",
    "cveId": "CVE-2024-25581",
    "datePublished": "2024-05-13T11:49:24.500Z",
    "dateReserved": "2024-02-08T08:15:37.204Z",
    "dateUpdated": "2025-02-13T17:40:49.395Z",
    "state": "PUBLISHED"
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-25581\",\"sourceIdentifier\":\"security@open-xchange.com\",\"published\":\"2024-05-14T15:05:29.707\",\"lastModified\":\"2025-02-13T18:17:14.117\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default.\"},{\"lang\":\"es\",\"value\":\"Cuando la compatibilidad con DNS entrante sobre HTTPS est\u00e1 habilitada mediante el proveedor nghttp2 y las consultas se enrutan a un backend solo tcp o DNS sobre TLS, un atacante puede desencadenar una falla de aserci\u00f3n en DNSdist enviando una solicitud de transferencia de zona (AXFR o IXFR). a trav\u00e9s de DNS a trav\u00e9s de HTTPS, lo que provoca que el proceso se detenga y, por lo tanto, conduce a una Denegaci\u00f3n de Servicio. DNS sobre HTTPS no est\u00e1 habilitado de forma predeterminada y los servidores utilizan DNS simple (Do53) de forma predeterminada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@open-xchange.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@open-xchange.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/05/13/1\",\"source\":\"security@open-xchange.com\"},{\"url\":\"https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html\",\"source\":\"security@open-xchange.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/05/13/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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